**14. Certain Transactions.** Lessee will not (a) merge or consolidate with any other corporation, (b) liquidate or dissolve, or (c) sell, transfer or dispose of all of substantially all of its assets, unless, in
the case of any transaction described in clause (a), (b) or (c), the entity surviving or resulting from such transaction shall have a tangible net worth equal to or greater than the tangible net worth of Lessee immediately prior to such
transaction and shall have assumed or shall otherwise be bound by the obligations of Lessee hereunder. Lessee will not, without thirty (30) days prior written notice to Lessor, change its name or its chief place of business. Lessee agrees to
notify Lessor within thirty (30) days of any change in the permanent base of the Aircraft, which shall in any case remain within the United States. 

 **15. Loss or Damage.** 

 a. All risk of loss, theft, damage or destruction to the Aircraft or any
part thereof while the Aircraft is under operational control of Lessee, however incurred or occasioned, shall be borne by Lessee and, unless such occurrence constitutes an Event of Loss pursuant to paragraph (b) of this Section 15, Lessee
shall promptly cause the effected part or parts of the Aircraft to be replaced or restored to the condition and repair required to be maintained by Section 11 hereof. Upon the occurrence of an Event of Loss with respect to an Engine or a Part
not resulting in an Event of Loss with respect to the Airframe, Lessee will promptly substitute such Engine or Part with an Engine or part having the equivalent value, utility and economic life.